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Table · dataset · 2005

Chromospheric Ca II emission in nearby stars

Listed in IVOA Registry (Virtual Observatory)

We present chromospheric CaII H and K activity measurements, rotation periods, and ages for ~1200 F, G, K, and M type main-sequence stars from ~18000 archival spectra taken at Keck and Lick Observatories as a part of the California and Carnegie Planet Search Project.

Description

We have calibrated our chromospheric S-values against the Mount Wilson chromospheric activity data. From these measurements we have calculated median activity levels and derived R'_HK_, stellar ages, and rotation periods from general parameterizations for 1228 stars, ~1000 of which have no previously published S-values.

We also present precise time series of activity measurements for these stars.

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Catalogue records · 2

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concepts[modality].ivoa_waveband:opticalsource · IVOA Registryconnector:ivoa_registry@1.0.0
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